Home / 805,829.05-1,208,327.61-237,136.31

Finding the Fourth Proportional to 805,829.05, 1,208,327.61 and 237,136.31

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Solution

The fourth proportional to 805,829.05, 1,208,327.61 and 237,136.31 is: 355,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,829.05 : 1,208,327.61 = 237,136.31 : x
  2. Step 2: Convert to fraction form
    805,829.05/1,208,327.61 = 237,136.31/x
  3. Step 3: Cross multiply
    805,829.05x = 1,208,327.61 × 237,136.31
  4. Step 4: Simplify right side
    805,829.05x = 286,538,350,085.37
  5. Step 5: Solve for x
    x = 286,538,350,085.37/805,829.05
  6. Step 6: Final answer
    x = 355,582.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.